cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A168492 Sequence with Hankel transform equal to 3^floor(n^2/2).

Table of values

n a(n)
0 1
1 1
2 2
3 7
4 38
5 250
6 1748
7 12463
8 89606
9 647710
10 4702844
11 34286038
12 250928732
13 1843209556
14 13586564072
15 100479347647
16 745418148806
17 5546324817718
18 41382983725292
19 309586136922898
20 2321772733668980
21 17453199438926188
22 131489046194284568
23 992678648890643206

List of values

[1, 1, 2, 7, 38, 250, 1748, 12463, 89606, 647710, 4702844, 34286038, 250928732, 1843209556, 13586564072, 100479347647, 745418148806, 5546324817718, 41382983725292, 309586136922898, 2321772733668980, 17453199438926188, 131489046194284568, 992678648890643206]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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